IRIS
BELARDO, Francesco
 Distribuzione geografica
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Continente #
NA - Nord America 742
EU - Europa 394
AS - Asia 175
AF - Africa 57
SA - Sud America 5
OC - Oceania 1
Totale 1.374
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Nazione #
US - Stati Uniti d'America 718
IT - Italia 286
CN - Cina 115
CI - Costa d'Avorio 55
VN - Vietnam 46
IE - Irlanda 36
CA - Canada 23
FI - Finlandia 23
DE - Germania 11
GB - Regno Unito 10
UA - Ucraina 6
RO - Romania 5
AR - Argentina 4
FR - Francia 3
IN - India 3
BE - Belgio 2
IR - Iran 2
JP - Giappone 2
KW - Kuwait 2
SE - Svezia 2
SG - Singapore 2
TR - Turchia 2
AU - Australia 1
BG - Bulgaria 1
BR - Brasile 1
BS - Bahamas 1
BY - Bielorussia 1
CZ - Repubblica Ceca 1
ES - Italia 1
ET - Etiopia 1
HU - Ungheria 1
LT - Lituania 1
MA - Marocco 1
NL - Olanda 1
PK - Pakistan 1
PL - Polonia 1
RU - Federazione Russa 1
SI - Slovenia 1
Totale 1.374
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Città #
Chandler 201
Ashburn 51
Naples 50
Dong Ket 46
Millbury 46
Des Moines 32
Nanjing 29
Princeton 29
Napoli 26
Boston 25
Lawrence 23
Ottawa 23
Wilmington 23
Rome 15
Beijing 13
Nanchang 13
Jacksonville 8
Redwood City 8
Hebei 7
Shanghai 7
Woodbridge 7
Council Bluffs 6
Jiaxing 6
Shenyang 6
Tianjin 6
Fairfield 5
Wuhan 5
Barletta 4
Guangzhou 4
Indiana 4
Munro 4
Aversa 3
Casal Di Principe 3
Changsha 3
Florence 3
Houston 3
Lerici 3
New York 3
Norwalk 3
Phoenix 3
Pisticci 3
Santa Maria A Vico 3
Afragola 2
Brussels 2
Caserta 2
Casoria 2
Cava Dei Tirreni 2
Dublin 2
Duncan 2
Edinburgh 2
Hangzhou 2
Kagoya 2
Kuwait City 2
Lappeenranta 2
Messina 2
Mountain View 2
Qualiano 2
Seattle 2
Seregno 2
Singapore 2
Vertova 2
Acerra 1
Amsterdam 1
Arzano 1
Battipaglia 1
Boardman 1
Boscoreale 1
Calvizzano 1
Cambridge 1
Changchun 1
Cittanova 1
Civitavecchia 1
Cosenza 1
Dallas 1
Ercolano 1
Evanston 1
Fairport 1
Gazi 1
Gorle 1
Hefei 1
Helsinki 1
Kolkata 1
Lissone 1
Los Angeles 1
Madrid 1
Marano di Napoli 1
Marcianise 1
Marigliano 1
Melbourne 1
Milan 1
Montecorvino Rovella 1
Montesilvano Marina 1
Montoro 1
Mugnano Di Napoli 1
Nassau 1
Nocera Inferiore 1
Orlando 1
Padova 1
Palermo 1
Palmi 1
Totale 842
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Nome #
Connected signed graphs L-cospectral to signed ∞-graphs 51
Balancedness and the least Laplacian eigenvalue of some Complex Unit Gain Graphs 51
Edge perturbation on signed graphs with clusters: Adjacency and Laplacian eigenvalues 50
Graphs Whose Aα-Spectral Radius Does Not Exceed 2 47
Total graph of a signed graph 46
Signed Graphs with extremal least Laplacian eigenvalue 46
The anti-adjacency matrix of a graph: Eccentricity matrix 43
Spectral characterizations of signed lollipop graphs 42
Line and subdivision graphs determined by T4-gain graphs 39
A lower bound for the first Zagreb index and its application 36
On the multiplicity of α as an A_α (Γ)-eigenvalue of signed graphs with pendant vertices 36
Laplacian spectral characterization of disjoint union of paths and cycles 35
Almost every complement of a tadpole graph is not chromatically unique 34
On the Laplacian coefficients of signed graphs 33
On signed graphs whose second largest Laplacian eigenvalue does not exceed 3 33
Computing the permanental polynomial of a matrix from a combinatorial viewpoint 31
Wreath product of a complete graph with a cyclic graph: topological indices and spectrum 29
Balancedness and the least eigenvalue of Laplacian of signed graphs 28
A note on the signless laplacian eigenvalues of graphs 28
Spectra of quaternion unit gain graphs 28
On graphs whose least eigenvalue is greater than –2 27
Graphs whose signless Laplacian spectral radius does not exceed the Hoffman limit value 27
Spectral characterizations of graphs with small spectral radius 27
Signed line graphs with least eigenvalue -2: The star complement technique 27
Unbalanced Unicyclic and Bicyclic Graphs with Extremal Spectral Radius 27
On the spectral characterizations of 3-rose graphs 26
Open problems in the spectral theory of signed graphs 26
Signed bicyclic graphs minimizing the least Laplacian eigenvalue 25
Godsil-McKay switching for mixed and gain graphs over the circle group 25
Preface 24
On the largest eigenvalue of some bidegreed graphs 23
On eigenspaces of some compound complex unit gain graphs 21
On the largest eigenvalue of signed unicyclic graphs 21
Spectral characterizations of signed cycles 21
Spectral properties of the eccentricity matrix of graphs 21
On graphs whose Laplacian index does not exceed 4.5 20
Spectral analysis of the wreath product of a complete graph with a cocktail party graph 20
The minimal augmented Zagreb index of k-apex trees for k∈{1,2,3} 20
Locating eigenvalues of unbalanced unicyclic signed graphs 20
Introduction to the Proceedings of WGTTG2021 19
On graphs with exactly three Q-eigenvalues at least two 19
Line graphs of complex unit gain graphs with least eigenvalue -2 19
On the structure of bidegreed graphs with minimal spectral radius 18
Preface: The congress “HyGraDe 2017” and a biographical note on Mario Gionfriddo 17
Spectral characterizations of graphs with at most two (signless) Laplacian eigenvalues greater than 2 17
The general spectral radii of (multicone-)graphs with prescribed degree sequence 17
On Quipus whose signless Laplacian index does not exceed 4.5 17
The International Congress on Hypergraphs, Graphs and Designs – HyGraDe 2017 16
On the divisibility of H-shape trees and their spectral determination 15
NEPS of complex unit gain graphs 15
Signless Laplacian spectral characterization of line graphs of T-shape trees 15
Signless Laplacian eigenvalues and circumference of graphs 15
Constructing cospectral signed graphs 14
Perturbations on bidegreed graphs minimizing the spectral radius 13
The k-apex trees with minimum augmented Zagreb index 12
On eigenspaces of some compound signed graphs 12
Unified extremal results of topological indices and spectral invariants of graphs 10
Spectral ordering of trees with small index 9
Limit points for the spectral radii of signed graphs 3
Infinite families of trees with equal spectral radius 3
A switching method for constructing cospectral gain graphs 1
Totale 1.510
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Categoria #
all - tutte 5.891
article - articoli 0
book - libri 0
conference - conferenze 0
curatela - curatele 0
other - altro 0
patent - brevetti 0
selected - selezionate 0
volume - volumi 0
Totale 5.891
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Totale Lug Ago Sett Ott Nov Dic Gen Feb Mar Apr Mag Giu
2018/20197 0 0 0 0 0 0 0 0 0 0 4 3
2019/2020196 69 1 4 28 5 0 23 0 6 6 39 15
2020/2021137 12 2 8 15 13 7 3 3 16 4 6 48
2021/2022242 3 0 20 6 3 11 11 17 42 4 8 117
2022/2023399 57 42 6 36 60 53 3 40 66 3 29 4
2023/2024314 35 43 28 32 14 30 29 76 13 12 2 0
Totale 1.510